PT-2023-8634 · Korenix · Korenix Jetnet Series

S. Dietz + 1 · Publicado 2023-08-31 · Atualizado 2025-10-08 · CVE-2023-5347

Positive Technologies (AI Summary)

CVSS v2.0

10

Crítica

Vetor base

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Korenix JetNet Series versions prior to 2024/01

Description The issue is related to an Improper Verification of Cryptographic Signature vulnerability in the update process of Korenix JetNet Series devices. This vulnerability can be exploited by a remote attacker to replace the whole operating system, including Trusted Executables, by sending specially crafted UDP packets to port 5010.

Recommendations For versions prior to 2024/01, update the firmware to version 2024/01 or later to resolve the issue. As a temporary workaround, consider restricting access to the update process and port 5010 to minimize the risk of exploitation.

Exploit

Correção

Use of a Broken Cryptographic Algorithm

Improper Verification of Cryptographic Signature

Enumeração de Fraquezas

CWE-327

CWE-347

Identificadores relacionados

BDU:2024-01312

CVE-2023-5347

Produtos afetados

Korenix Jetnet Series

Referências · 19

• 🔥 http://seclists.org/fulldisclosure/2024/Jan/11 · Exploit
• 🔥 http://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html · Exploit
• 🔥 https://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series · Exploit
• https://t.me/cybersecuritytechnologies/9800 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2023-5347 · Nota de Segurança
• https://t.me/cvenotify/67701 · Publicação no Telegram
• https://twitter.com/PentestingN/status/1747496609313657316 · Publicação no Twitter
• https://twitter.com/CVEnew/status/1744670243207704820 · Publicação no Twitter
• https://beijerelectronics.com/en/support/Help___online?docId=69947 · Aviso do Fabricante
• https://t.me/cvenotify/67475 · Publicação no Telegram
• https://t.me/cvenotify/67453 · Publicação no Telegram
• https://osv.dev/vulnerability/CVE-2023-5347 · Aviso do Fabricante
• https://twitter.com/0dayPublishing/status/1975854705860379072 · Publicação no Twitter
• https://bdu.fstec.ru/vul/2024-01312 · Nota de Segurança
• https://t.me/cvenotify/67743 · Publicação no Telegram